77543440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74561}}^1$

素因数の和:74587

約数の個数: 40

約数和(自身を含む): 194159448

約数和(自身を除く): 116616008

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 74561, 149122, 298244, 372805, 596488, 745610, 969293, 1192976, 1491220, 1938586, 2982440, 3877172, 4846465, 5964880, 7754344, 9692930, 15508688, 19385860, 38771720, 77543440]

約数ペア:

[(1, 77543440), (2, 38771720), (4, 19385860), (5, 15508688), (8, 9692930), (10, 7754344), (13, 5964880), (16, 4846465), (20, 3877172), (26, 2982440), (40, 1938586), (52, 1491220), (65, 1192976), (80, 969293), (104, 745610), (130, 596488), (208, 372805), (260, 298244), (520, 149122), (1040, 74561)]